Ann M. Martin - Babysitters - 2004 - 310 pages
Karen Brewer is never bored. Whether she's spying on her neighbor (who might be a witch!) or turning a bad-luck day into a good-luck day, Karen is always finding an adventure.
Ann M. Martin - Juvenile Fiction - 2013 - 160 pages
Mallory discovers that the terrible twins she babysits on a regular basis are not really bad-- they just want to be treated as individuals.
Ann M. Martin - Juvenile Fiction - 2014 - 160 pages
The Papadakis family takes in a foster child, a troubled young girl named Lou, and Kristy soon discovers that Lou's difficult behavior makes her a real challenge to baby-sit.